Specification Brand : DaduoRi BulletPoint1 : Package(No Pilot Bit): This concrete core bit kit includes 5/8"-11 thread adapters for SDS Plus, SDS Max, and 1/2" Hex shank, a user manual, and 2 pcs dry core drill bits for depths up to 9.5 inches (Outer diameter: 1 inch) BulletPoint2 : Versatile Adapters: Equipped with adapters for easy use with rotary hammers and standard drill, compatible with both fixed or handheld drilling machines with 5/8-11 threads, ensuring broad applicability and flexibility in various drilling scenarios (Never use the hammering mode) BulletPoint3 : Operation Tip: Start drilling with the core bit at a 15-degree angle, allowing it to slowly grip and hold, then pivot to a 90-degree vertical drilling position, and continue to dig deeper BulletPoint4 : Efficient Dry Drilling: This 1" sds core drill bit designed for dry drilling but recommended to USE WATER when encountering concrete or high-hardness materials to prevent tooth breakage and enhance drilling efficiency BulletPoint5 : Multi-Material Drilling: This 1 inch core drill bit perfects for drilling into soft concrete(no rebar), brick, stone, and masonry, making it versatile for HVAC, electrical, and plumbing tasks. Good for DIYer Color : Black CuttingAngleString : 30.0 degrees ExternallyAssignedProductIdentifier : 7649657536932 ExternallyAssignedProductIdentifier1 : 718760495287 ExternallyAssignedProductIdentifier2 : 0718760495287 FitType : Universal GpsrSafetyAttestation : 1 IncludedComponents : Core Bits *2; 3 Adapters to SDS Plus, SDS Max, and 1/2 Hex Shank; User Manual*1 ItemName : DaduoRi 1" Dry Core Drill Bits, 2-Piece with 3 Adapters (SDS Plus, SDS Max, 1/2" Hex Shank), 9.5" Depth Core Bits for Brick and Block, Concrete, Stucco, Masonry, 5/8"-11 Thread (No Pilot) ItemPackageDimensions_Height : 11 inches ItemPackageDimensions_Length : 2.5 inches ItemPackageDimensions_Width : 2.5 inches ItemPackageQuantity : 1 ItemTypeKeyword : core-drill-bits Manufacturer : DaduoRi Tool Material : Cobalt ModelName : CQMLWSDNW ModelNumber : daduori 1 inch core bit with adapters NumberOfBoxes : 1 NumberOfFlutes : 2 NumberOfItems : 2 NumberOfPieces : 2 PartNumber : 1" core drill bit sds-2 pcs ProductDescription : DaduoRi 1 Inch Dry Core Drill Bit for Brick and Block with 3 Adapters Included: SDS Plus, SDS Max and 1/2" Hex Shank, 9.5" Drilling Depth Core Bits for Soft Concrete, Brick, Stucco, Masonry; 5/8"-11 Thread; 2-Piece Set; Not inclued pilot bit; ProductSiteLaunchDate : 2024-11-13T07:32:15.807Z Size : 1 Inch SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Stone SurfaceRecommendation1 : Concrete SurfaceRecommendation2 : Brick SurfaceRecommendation3 : Masonry SurfaceRecommendation4 : Stone UnitCount : 2 UnspscCode : 27111700